I got all the definitions and images from google.
1.Clerestory- âa high section of wall that contains windows above eye level.The purpose is to admit lightâ
2.Triforium- âan arcaded gallery above the arches of the nave and below the clerestory in a churchâ
3.Gallery- âany covered passage that is open at one sideâ
4.Aisle- âis more specifically a passageway to either side of the navethat is separated from the naveby colonnades or arcades, a row of pillars or columnsâ
5.Arcade- âseries of arches, with each arch supported by a colonnade of columns or piers.â
6.Flyer- â An arch that connects a flying buttress into the structure it supports. â
7.Buttress- â structure built against or projecting from a wall which serves to support or reinforce the wall.â
8.Crypt- â is a stone chamber beneath the floor of a church or other buildingâ
9.Rose Window-âare the large circular stained glass windowsfound in Gothic churchesâ
10.Lancet- âa tall, narrow window with a pointed arch at its topâ
11.Tracery- â is the stonework elements that support the glass in a Gothic window.â
12.Quadripartite ââas a vault, by the system of constructionemployed, into four compartments.â